Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-08-02
Chin.Phys.Lett.26:021401,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 3 figures. More discussions and references are added. To be published in Chinese Physics Letters
Scientific paper
10.1088/0256-307X/26/2/021401
The properties of the B-meson light-cone wave function up to next-to-leading order Fock state expansion have been studied through a comparative study of the $B\to \pi$, $K$ transition form factors within the $k_T$ factorization approach and the light-cone sum rule analysis. The transition form factors $F^{B\to\pi}_{+,0,T}$ and $F^{B\to K}_{+,0,T}$ are carefully re-calculated up to ${\cal O}(1/m_b^2)$ within the $k_T$ factorization approach in the large recoil region, in which the main theoretical uncertainties are discussed. The QCD light-cone sum rule is applicable in the large and intermediate energy regions, and the QCD light-cone sum rule results in Ref.\cite{sumrule} are adopted for such a comparative study. It is found that when the two phenomenological parameters $\bar\Lambda\in [0.50,0.55]$ and $\delta\in[0.25,0.30]$, the results of $F^{B\to\pi}_{+,0,T}(Q^2)$ and $F^{B\to K}_{+,0,T}(Q^2)$ from these two approaches are consistent with each other in the large recoil energy region.
Fang Zhen-Yun
Wu Xing-Gang
Zeng Dai-Min
No associations
LandOfFree
B-Meson Wave Function through A Comparative Analysis of the $B\to π$, $K$ Transition Form Factors does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with B-Meson Wave Function through A Comparative Analysis of the $B\to π$, $K$ Transition Form Factors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and B-Meson Wave Function through A Comparative Analysis of the $B\to π$, $K$ Transition Form Factors will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-662237